198114272577 has 20 divisors (see below), whose sum is σ = 318713750740. Its totient is φ = 121916474784.

The previous prime is 198114272569. The next prime is 198114272599. The reversal of 198114272577 is 775272411891.

198114272577 is a `hidden beast` number, since 19 + 8 + 11 + 42 + 7 + 2 + 577 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60461400321 + 137652872256 = 245889^2 + 371016^2 .

It is not a de Polignac number, because 198114272577 - 2³ = 198114272569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198114272177) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 94070302 + ... + 94072407.

It is an arithmetic number, because the mean of its divisors is an integer number (15935687537).

Almost surely, 2^198114272577 is an apocalyptic number.

It is an amenable number.

198114272577 is a deficient number, since it is larger than the sum of its proper divisors (120599478163).

198114272577 is a wasteful number, since it uses less digits than its factorization.

198114272577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188142734 (or 188142725 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 54.

The spelling of 198114272577 in words is "one hundred ninety-eight billion, one hundred fourteen million, two hundred seventy-two thousand, five hundred seventy-seven".